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380 lines
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<li class="navelem"><a class="el" href="namespacefaiss.html">faiss</a></li><li class="navelem"><a class="el" href="structfaiss_1_1IndexSplitVectors.html">IndexSplitVectors</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-attribs">Public Attributes</a> |
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<a href="structfaiss_1_1IndexSplitVectors-members.html">List of all members</a> </div>
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<div class="title">faiss::IndexSplitVectors Struct Reference</div> </div>
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<p><code>#include <<a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a>></code></p>
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Inheritance diagram for faiss::IndexSplitVectors:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a70ba3367a08722fe4466dc49c21a4d2b"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a70ba3367a08722fe4466dc49c21a4d2b"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexSplitVectors.html#a70ba3367a08722fe4466dc49c21a4d2b">IndexSplitVectors</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, bool threaded=false)</td></tr>
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<tr class="memdesc:a70ba3367a08722fe4466dc49c21a4d2b"><td class="mdescLeft"> </td><td class="mdescRight">sum of dimensions seen so far <br/></td></tr>
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<tr class="separator:a70ba3367a08722fe4466dc49c21a4d2b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab5df37b8924530820940bcde5fc19f7c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab5df37b8924530820940bcde5fc19f7c"></a>
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void </td><td class="memItemRight" valign="bottom"><b>add_sub_index</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *)</td></tr>
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<tr class="separator:ab5df37b8924530820940bcde5fc19f7c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad5a6c736f835d22349fa6c335ce49169"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad5a6c736f835d22349fa6c335ce49169"></a>
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void </td><td class="memItemRight" valign="bottom"><b>sync_with_sub_indexes</b> ()</td></tr>
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<tr class="separator:ad5a6c736f835d22349fa6c335ce49169"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af2ef88dc72b4a94f1190ecc8cb25881b"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexSplitVectors.html#af2ef88dc72b4a94f1190ecc8cb25881b">add</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
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<tr class="separator:af2ef88dc72b4a94f1190ecc8cb25881b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4a010daf51e44d9717e94400cc23c159"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexSplitVectors.html#a4a010daf51e44d9717e94400cc23c159">search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels) const override</td></tr>
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<tr class="memitem:aafa4c780e325855fe247052453967845"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexSplitVectors.html#aafa4c780e325855fe247052453967845">train</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
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<tr class="separator:aafa4c780e325855fe247052453967845"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8047981cb8d10c54107664c4955df402"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8047981cb8d10c54107664c4955df402"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexSplitVectors.html#a8047981cb8d10c54107664c4955df402">reset</a> () override</td></tr>
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<tr class="memdesc:a8047981cb8d10c54107664c4955df402"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
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<tr class="memitem:a3487f51c76b46ac326906319e256450f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3487f51c76b46ac326906319e256450f"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><b>set_typename</b> () override</td></tr>
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<tr class="inherit_header pub_methods_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a18475cb29370bd6ac3c9f41d39f2e8ec"></a>
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 </td><td class="memItemRight" valign="bottom"><b>Index</b> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>=0, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric=METRIC_INNER_PRODUCT)</td></tr>
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<tr class="separator:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f">add_with_ids</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, const long *xids)</td></tr>
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<tr class="separator:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a236897832a58dbb205e2d662c1929fb1 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a236897832a58dbb205e2d662c1929fb1">range_search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, float radius, <a class="el" href="structfaiss_1_1RangeSearchResult.html">RangeSearchResult</a> *result) const </td></tr>
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<tr class="memitem:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c">assign</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k=1)</td></tr>
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<tr class="memitem:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#af8bf7bd97aeed8ad5fc48b242379a68a">remove_ids</a> (const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> &sel)</td></tr>
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<tr class="memitem:aaef6f4132b1f390121ebb11058baf190 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aaef6f4132b1f390121ebb11058baf190">reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key, float *recons) const </td></tr>
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<tr class="memitem:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a1936604fffe16b0ef2a3879305950738">reconstruct_n</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> i0, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> ni, float *recons) const </td></tr>
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<tr class="memitem:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9">compute_residual</a> (const float *x, float *residual, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key) const </td></tr>
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<tr class="memitem:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a373c30e3d87d1d4e616f450d87152b1a">display</a> () const </td></tr>
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<tr class="memitem:aae095c6209a16347262408b3346193a3 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aae095c6209a16347262408b3346193a3">get_typename</a> () const </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public Attributes</h2></td></tr>
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<tr class="memitem:a3014cb53c61bbd32c356f1cfb3b42e21"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3014cb53c61bbd32c356f1cfb3b42e21"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>own_fields</b></td></tr>
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<tr class="memitem:a183d3392990a6ab2bbec857d953006fd"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a183d3392990a6ab2bbec857d953006fd"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>threaded</b></td></tr>
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std::vector< <a class="el" href="structfaiss_1_1Index.html">Index</a> * > </td><td class="memItemRight" valign="bottom"><b>sub_indexes</b></td></tr>
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<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td><td class="memItemRight" valign="bottom"><b>sum_d</b></td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a294b7b4efde95636baed8a6691f49018 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a294b7b4efde95636baed8a6691f49018"></a>
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std::string </td><td class="memItemRight" valign="bottom"><b>index_typename</b></td></tr>
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<tr class="memitem:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2a002388d2c081c2dbab8508dcefe73d"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a></td></tr>
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<tr class="memdesc:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">vector dimension <br/></td></tr>
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<tr class="memitem:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6970683faa021b7a6f1a0865c0d4eccd"></a>
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<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a></td></tr>
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<tr class="memdesc:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">total nb of indexed vectors <br/></td></tr>
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<tr class="memitem:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5590d847c5c2b958affd2a05e58a6f23"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a></td></tr>
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<tr class="memdesc:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">verbosity level <br/></td></tr>
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<tr class="memitem:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e92732617c4dbe364e7678dd8773a7f"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f">is_trained</a></td></tr>
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<tr class="memdesc:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">set if the <a class="el" href="structfaiss_1_1Index.html">Index</a> does not require training, or if training is done already <br/></td></tr>
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<tr class="separator:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8e18f641854b2bde83ecff0a2f9a6f4e"></a>
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<a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e">metric_type</a></td></tr>
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<tr class="memdesc:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">type of metric this index uses for search <br/></td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
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Additional Inherited Members</h2></td></tr>
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<tr class="inherit_header pub_types_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
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<tr class="memitem:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a040c6aed1f224f3ea7bf58eebc0c31a4"></a>
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typedef long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a></td></tr>
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<tr class="memdesc:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">all indices are this type <br/></td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>splits input vectors in segments and assigns each segment to a sub-index used to distribute a <a class="el" href="structfaiss_1_1MultiIndexQuantizer.html">MultiIndexQuantizer</a> </p>
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<p>Definition at line <a class="el" href="MetaIndexes_8h_source.html#l00109">109</a> of file <a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="af2ef88dc72b4a94f1190ecc8cb25881b"></a>
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<td class="memname">void faiss::IndexSplitVectors::add </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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<td>)</td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Add n vectors of dimension d to the index.</p>
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<p>Vectors are implicitly assigned labels ntotal .. ntotal + n - 1 This function slices the input vectors in chuncks smaller than blocksize_add and calls add_core. </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>input matrix, size n * d </td></tr>
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</table>
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</dd>
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</dl>
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<p>Implements <a class="el" href="structfaiss_1_1Index.html#a1b5e9ac70adbce0897dd6c8276ad96f2">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00535">535</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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<td class="memname">void faiss::IndexSplitVectors::search </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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<td class="paramtype">const float * </td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>k</em>, </td>
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<td class="paramtype">float * </td>
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<td class="paramname"><em>distances</em>, </td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> * </td>
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<td class="paramname"><em>labels</em> </td>
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<td>)</td>
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<td></td><td> const</td>
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<td class="mlabels-right">
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<p>query n vectors of dimension d to the index.</p>
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<p>return at most k vectors. If there are not enough results for a query, the result array is padded with -1s.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">x</td><td>input vectors to search, size n * d </td></tr>
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<tr><td class="paramname">labels</td><td>output labels of the NNs, size n*k </td></tr>
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<tr><td class="paramname">distances</td><td>output pairwise distances, size n*k </td></tr>
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</table>
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</dd>
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</dl>
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<p>Implements <a class="el" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00580">580</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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<td class="memname">void faiss::IndexSplitVectors::train </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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<p>Perform training on a representative set of vectors</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">n</td><td>nb of training vectors </td></tr>
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<tr><td class="paramname">x</td><td>training vecors, size n * d </td></tr>
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</table>
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</dd>
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</dl>
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<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#a8f67dfd73993e192dc78f2c93d9d9532">faiss::Index</a>.</p>
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<p>Definition at line <a class="el" href="MetaIndexes_8cpp_source.html#l00635">635</a> of file <a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a>.</p>
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</div>
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</div>
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<hr/>The documentation for this struct was generated from the following files:<ul>
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<li><a class="el" href="MetaIndexes_8h_source.html">MetaIndexes.h</a></li>
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<li><a class="el" href="MetaIndexes_8cpp_source.html">MetaIndexes.cpp</a></li>
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</ul>
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